Скачать или смотреть 1 4 Netork security threats

This video explains Cyber Security Threats for OCR GCSE Computer Science (J277), using clear, exam-ready language aligned to the Networks and Cyber Security section of the specification.

It introduces the main types of cyber attacks, explains how they work, and outlines their impact on systems and users — knowledge required for OCR exam questions and scenario-based answers.

Topics covered:
-Malware: viruses, worms, and trojans
-How malware spreads and the damage it can cause
-Social engineering and why people are a security weakness
-Phishing attacks and how users are tricked into giving away data
-Brute-force attacks and password cracking
-Denial of Service (DoS) attacks and their impact on websites
-Data interception during network transmission
-SQL injection attacks on websites and databases

This video is suitable for first teaching, revision, and exam preparation, and uses terminology and explanations expected in OCR GCSE mark schemes.